#BMI = 体重 / (身高 ** 2)
your_weight = float(input("请输入您的体重(kg):"))
your_hight = float(input("请输入您的身高(m):"))
BMI = your_weight/(your_hight ** 2)
print("您的BMI是" + str(BMI))
if BMI < 18.5:
    print("您该多吃一定")
elif BMI >= 18.5 and BMI < 25:
    print("您十分健康")
else:
    print("您该减肥了")
